json_api representer

image_representer.rb

require 'image/persistence'
class Image
  class Representer < Roar::Decorator
    include Roar::JSON::JSONAPI.resource :images
    # top-level link.
    link :self, toplevel: true do
      "//images"
    end

    attributes do
      property :caption
      property :file_url
    end

    # resource object links
    link(:self) { "http://images/#{represented.id}" }
  end
end

site_representer.rb

require 'site/persistence'
class Site
  class Representer < Roar::Decorator
    include Roar::JSON::JSONAPI.resource :sites
    # top-level link.
    link :self, toplevel: true do
      "//sites"
    end

    attributes do
      property :name
      property :reference
    end

    # resource object links
    link(:self) { "http://sites/#{represented.id}" }
    
    # relationships
    has_one :feature_image, decorator: ::Image::Representer, class: ::Image::Persistence
    has_many :images, decorator: ::Image::Representer, class: ::Image::Persistence
    has_many :documents, decorator: ::Document::Representer, class: ::Document::Persistence
    has_many :applications, decorator: ::FacultyApplication::BaseRepresenter, class: ::FacultyApplication::Persistence
  end
end

sites_route.rb

# extract 
# index - doesn't add include block to output when include option passed to_json
r.get do
  sites = Site::Persistence.eager(:images).all
  representer = Site::Representer.for_collection.new(sites)
  response.write(representer.to_json(include: r.params["include"])
  response.finish
end
  
  
# show - works fine when include option passed to_json
r.get do
  site = ::Site::Persistence[id]
  representer = Site::Representer.new(site)
  response.write(representer.to_json(include: r.params["include"])
  response.finish
end